表面活性剂

In Chapter 2, enantioseparations of four pairs of neutral and poorly water-soluble organophosphorus pesticides enantiomers were achieved by using natural chiral surfactant sodium cholate either with sodium dodecyl sulphate or with γ-cyclodextrin in nonaqueous solvent or aqueous-organic solvent systems.

第二章在非水介质或水相/有机介质中，或将天然表面活性剂胆酸钠与阴离子表面活性剂十二烷基硫酸钠构成混合手性胶束，或将胆酸钠与γ-环糊精构成二元手性协同体系，用于中性疏水有机磷农药对映体的手性拆分。

However, in this paper MesoDyn simulation is used to study interactions between polysaccharide and surfactant. A new and simple approach for studying such a system is found. This study enlarges the application of MesoDyn method in colloid chemistry and provides a new idea for investigating interactions between other type of polymer and surfactant.2. The second novelty of this dissertation is mesoscopic simulation and experiments are combined to study physicochemical properties of system.

文献报道的MesoDyn模拟主要用来研究嵌段共聚物或两种聚合物混合体系的性质，而本文首次利用MesoDyn模拟方法研究了聚合物和表面活性剂之间的相互作用，建立了研究这一体系的简易而有效的新途径，从而大大增强了MesoDyn方法在胶体化学中应用的可行性；同时，有助于人们进一步了解MesoDyn方法，并为用其研究其它类型的聚合物与表面活性剂之间的相互作用提供了良好的思路。2。

The surfactant-protein interaction was studied by conductometer in this work. According to experimental results, two models of the interactions between surfactants and proteins were deduced. One is hydrophobic interaction model; the other is electrostatic force model.

较系统地研究了溶液中离子型表面活性剂与蛋白质相互作用时电导率的变化，并根据实验现象得出表面活性剂与蛋白质作用的两种模式－疏水作用模式和电荷作用模式。

The relationship between aqueous two phase system and liquid crystal of cationic and anionic surfactants mixture was studied.

研究了正离子表面活性剂 CTAB与负离子表面活性剂 SDS混合系统的双水相与液晶结构的关系。

Compared with control plant growing in NS with phenanthrene alone, phenanthrene level in cucumber root decreased but above-ground phenanthrene level remained un-affected in NS with phenanthrene and Tween 80 at supra-CMC.

在含有菲和表面活性剂的营养液中培养黄瓜幼苗时，大于CMC的Tween 80处理使黄瓜根中菲含量下降，而地上部分菲含量受营养液中表面活性剂的影响不显著。

The synergic effects between 1,4-Bis(α-alkylpyridinium)butane/hexane Dibromide gemini surfactantsand sodium dodecyl benzoic sulfatehave been studied,the effect of the ratio of GPS/SDBS on the surface tension and critical micellar concentrationof the mixture have been investigated.

研究了溴化1，4/1，6-双-α-烷基吡啶丁烷/己烷双子表面活性剂与普通阴离子表面活性剂十二烷基苯磺酸钠之间的协同效应，考察了二者复配比例对体系表面张力和临界胶束浓度的影响。

The variation of particle size in dispersed phase was determined by the changeable value of interface tension.

本文认为，两相之间的界面张力是影响分散体系最终结果的内在因素，界面张力的变化从根本上决定着分散体系中分散相粒子的大小；表面活性剂分子在界面上的排列方式是影响界面张力的主要因素；临界胶束浓度CMC是决定界面上表面活性剂分子排列情况的定量判据。

The influence of pH value and surface surfactant coating on the dispersibility and stability of water-based Fe3O4 magnetic fluid was also studied.

制备了水基Fe3O4铁氧体磁流体，研究了载液pH值、表面活性剂包覆等对磁流体分散性及稳定性的影响以及纳米颗粒与表面活性剂之间的结合。

As a result, When different inorganic electrolyte and combined use of ionic and nonionic surfactants are applied,excellent dispersion system of alkalescent aqueous medium can be obtained.

结果表明：添加无机电解质及组合使用离子型表面活性剂和非离子型表面活性剂可以使纳米CeO2在弱碱性水介质中保持良好的分散性。

Double son quarter the 铵 salt surface live is a type of new double with live sub- surfaces, it is pass to unite to connect 基 regiment 2 two close body at head 基 or tight depend head the 基 conjunction get up of compound.

双子季铵盐表面活性剂是一类新型的双子表面活性剂，它是通过联接基团将两个两亲体在头基处或紧靠头基处连接起来的化合物。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了